Dilshan Gamage
Jacksonville,FL
Summary
Graduate student pursuing a Master’s degree in Mathematics and Statistics, with a strong foundation in statistics and data analysis. Experienced in working with large datasets, from extracting and cleaning data to analysing and visualising, using tools such as Excel (including pivot tables and VBA macros), Python, R, SQL, and Power BI. Hands-on experience with publicly available datasets, time-series forecasting, and research-driven analysis to generate meaningful, actionable insights. Passionate about using data to solve complex problems and support informed, evidence-based decision-making.
Overview
6
6
years of professional experience
1
1
Certification
Work History
Senior Planning Executive
MAS Holdings Sri Lanka
Colombo, Sri Lanka
08.2017 - 01.2023
- Analysed 10,000+ records from SAP and ERP systems every weekly to identify production inefficiencies and process delays
- Partnered with operations, finance, and supply chain teams to convert business problems into analytical insights, improving decision-making efficiency.
- Built forecasting models that improved demand and production predictions, reducing planning and supply chain errors.
- Built automated Excel and Power BI dashboards tracking key operational KPIs, improving the speed and accuracy of performance monitoring.
- Led cross-functional teams to enhance operational efficiency and streamline processes.
- Mentored junior staff, fostering professional development and knowledge sharing.
- Enhanced customer satisfaction by streamlining communication channels and improving response times.
- Prepared annual data to determine metrics for operational performance.
Internship Trainee – Health and Safety Department
MAS Holdings Sri Lanka
Colombo, Sri Lanka
08.2016 - 08.2017
- Conducted regular site inspections to ensure health and safety policies and procedures were properly implemented.
- Analysed weekly minor and major incidents findings using Excel and prepared reports with actionable safety and operational recommendations, which were presented to management during monthly review meetings.
- Recorded workplace incidents and accidents and compiled statistical summaries for management review.
- Assisted in delivering health and safety training programs for new employees and contractor workers.
Education
Master of Science - Mathematics and Statistics
University of North Florida
Jacksonville11.2026
Master of Science - Applied Statistics
University of Colombo
Sri Lanka, Sri Lanka12.2023
Bachelor of Science - Statistics
University of Colombo
Sri Lanka, Sri Lanka08.2017
Skills
- Excel
- Python
- R
- SQL
- Power BI
- Regression Analysis
- Hypothesis Testing
- Time Series Analysis
- Data Cleaning
- Reporting Automation
- Communication
- Leadership
- Problem-solving
Certification
- Microsoft PowerBI -Up & Running with PowerBI Desktop (Udemy- May, 2020)
Languages
English
Full Professional
Timeline
Senior Planning Executive
MAS Holdings Sri Lanka
08.2017 - 01.2023
Internship Trainee – Health and Safety Department
MAS Holdings Sri Lanka
08.2016 - 08.2017
Master of Science - Mathematics and Statistics
University of North Florida
Master of Science - Applied Statistics
University of Colombo
Bachelor of Science - Statistics
University of Colombo